How to perceive the qualities of a suitable judge

God provides strict qualifications, which we must discern, before he permits us to set up any man as a judge for ourselves—whether in “institutional politics,” or “influencer politics.” But how can we obey his command to “perceive” and “know” that the men we choose really are fitting candidates, if we have no relationship with them? How can we tell if a man has substance, fears God, loves truth, and hates profit?